A person boils water of mass 150 kg from the temperature of 85 °C with the thermal energy of 22500 J, the specific heat capacity of the water is

• A. 7.5 J kg-1 °C-1
• B. 5 J kg-1 °C-1
• C. 15 J kg-1 °C-1
• D. 10 J kg-1 °C-1